[Bug tree-optimization/126693] Fold abs (x) * abs (y) -> abs (x * y)

"cvs-commit at gcc dot gnu.org via Gcc-bugs" <[email protected]> Tue, 11 Aug 2026 08:58:15 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126693

--- Comment #6 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Venkataramanan Kumar
<[email protected]>:

https://gcc.gnu.org/g:7c48d6a74693e1c64900f6aa203539ea1ca7b370

commit r17-3200-g7c48d6a74693e1c64900f6aa203539ea1ca7b370
Author: Dipesh Sharma <[email protected]>
Date:   Sat Aug 8 20:39:17 2026 +0530

    match.pd: Fold abs(x) * abs(y) -> abs(x * y) [PR126693]

    gcc/ChangeLog:

            PR tree-optimization/126693
            * match.pd: Fold abs(x) * abs(y) into abs(x * y).

    gcc/testsuite/ChangeLog:

            * gcc.dg/tree-ssa/mult-abs-3.c: New test.
            * gcc.dg/tree-ssa/mult-abs-4.c: New test.
            * gcc.dg/tree-ssa/mult-abs-5.c: New test.